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Taxonomy
Gymnoptychus minimus was named by Matthew (1903) [also attributed to Cope 1873 by authors confusing it with minutus]. It is a 3D body fossil. Its type locality is Pipestone Springs, which is in a Chadronian terrestrial claystone in the Renova Formation of Montana.
It was recombined as Adjidaumo minimus by Trouessart (1904), Hay (1930), Wood (1937), Black (1965), Wood (1980) and Korth et al. (2022).
It was recombined as Adjidaumo minimus by Trouessart (1904), Hay (1930), Wood (1937), Black (1965), Wood (1980) and Korth et al. (2022).
Synonymy list
Year | Name and author |
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1903 | Gymnoptychus minimus Matthew |
1904 | Adjidaumo minimus Trouessart |
1930 | Adjidaumo minimus Hay |
1937 | Adjidaumo minimus Wood |
1965 | Adjidaumo minimus Black |
1980 | Adjidaumo minimus Wood |
2022 | Adjidaumo minimus Korth et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Adjidaumo minimus Matthew 1903
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Nowak 1999, Hendy et al. 2009, Ji et al. 2002, Carroll 1988 |
Age range: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma
Collections (17 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Duchesnean - Chadronian | USA (Montana) | Adjidaumo minimus (16840) | |
Chadronian | USA (Nebraska) | Adjidaumo minimus (16917 16930 16941 17014 17033) | |
Chadronian | USA (Wyoming) | Adjidaumo minimus (16960 16963 17045) Adjidaumo sp. (16961) | |
Chadronian | USA (Montana) | Adjidaumo minimus (type locality: 17010) | |
Chadronian | Canada (Saskatchewan) | Adjidaumo minimus (16919) | |
Chadronian | USA (Colorado) | Adjidaumo minimus (16977) | |
Late/Upper Chadronian | USA (Colorado) | Adjidaumo minimus (85117) | |
Late/Upper Chadronian - Orellan | USA (Nebraska) | Adjidaumo minimus (230806) | |
Orellan | USA (Montana) | Adjidaumo minimus (17090 17138) |